The site of infection is the location at which lymphocytes
A. are formed.
B. provide an effector response.
C. are activated.
D. become able to recognize one specific foreign antigen.
B
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Three nitrogenous base sequences on mRNA, which are complementary to gene triplets, are called
A) chromosomes. B) amino acids. C) codons. D) anticodons. E) histones.
The otolithic membrane plays a role in the detection of:
A) startle reflex. B) linear acceleration and head tilting. C) rotational head movements. D) hearing.
Which artery or arteries supply the pelvic organs?
a. femoral artery b. common iliac arteries c. internal iliac artery d. external iliac artery
Excess CSF is removed from the subarachnoid space by
A. the choroid plexus. B. the median aperture. C. arachnoid villi. D. microglia. E. astrocytes.